An Analysis of Turbocharger Impeller Vibrations

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SEKAVČNIK, Miha .
An Analysis of Turbocharger Impeller Vibrations. 
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 46, n.11-12, p. 750-761, july 2017. 
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/sl/article/an-analysis-of-turbocharger-impeller-vibrations/>. Date accessed: 21 sep. 2021. 
doi:http://dx.doi.org/.
Sekavčnik, M.
(2000).
An Analysis of Turbocharger Impeller Vibrations.
Strojniški vestnik - Journal of Mechanical Engineering, 46(11-12), 750-761.
doi:http://dx.doi.org/
@article{.,
	author = {Miha  Sekavčnik},
	title = {An Analysis of Turbocharger Impeller Vibrations},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {46},
	number = {11-12},
	year = {2000},
	keywords = {turbocharger; impellers; vibration analysis; vibrations damping; },
	abstract = {he paper presents the results of experimental studies of natural vibrations of turbocharger blades. In order to excite the structure of a turbocharger impeller (composite blade-disc system), impulse disturbance and acoustic harmonic excitation were used. The response of the system was measured using accelerometers attached to the impeller blades. The logarithmic decrement method was used to determine the damping ratio. Measurements showed that the blades are most responsive (the largest amplitudes) to disturbances with bending natural vibrations, classified as the first mode. The damping ratia were estimated from the measured responses. It turned out that the damping ratio for the first free form is equal and constant for both excitation methods: d = 5E ­05. The damping ratia for other free forms of the oscillations were greater by one order of magnitude. The analysis of the dynamic characteristics of the blades’ natural vibrations with the first free form indicated possibilities for numerical modeling of damping mechanisms that would enable the simulation of operation at, or near, resonance frequency.},
	issn = {0039-2480},	pages = {750-761},	doi = {},
	url = {https://www.sv-jme.eu/sl/article/an-analysis-of-turbocharger-impeller-vibrations/}
}
Sekavčnik, M.
2000 July 46. An Analysis of Turbocharger Impeller Vibrations. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 46:11-12
%A Sekavčnik, Miha 
%D 2000
%T An Analysis of Turbocharger Impeller Vibrations
%B 2000
%9 turbocharger; impellers; vibration analysis; vibrations damping; 
%! An Analysis of Turbocharger Impeller Vibrations
%K turbocharger; impellers; vibration analysis; vibrations damping; 
%X he paper presents the results of experimental studies of natural vibrations of turbocharger blades. In order to excite the structure of a turbocharger impeller (composite blade-disc system), impulse disturbance and acoustic harmonic excitation were used. The response of the system was measured using accelerometers attached to the impeller blades. The logarithmic decrement method was used to determine the damping ratio. Measurements showed that the blades are most responsive (the largest amplitudes) to disturbances with bending natural vibrations, classified as the first mode. The damping ratia were estimated from the measured responses. It turned out that the damping ratio for the first free form is equal and constant for both excitation methods: d = 5E ­05. The damping ratia for other free forms of the oscillations were greater by one order of magnitude. The analysis of the dynamic characteristics of the blades’ natural vibrations with the first free form indicated possibilities for numerical modeling of damping mechanisms that would enable the simulation of operation at, or near, resonance frequency.
%U https://www.sv-jme.eu/sl/article/an-analysis-of-turbocharger-impeller-vibrations/
%0 Journal Article
%R 
%& 750
%P 12
%J Strojniški vestnik - Journal of Mechanical Engineering
%V 46
%N 11-12
%@ 0039-2480
%8 2017-07-07
%7 2017-07-07
Sekavčnik, Miha.
"An Analysis of Turbocharger Impeller Vibrations." Strojniški vestnik - Journal of Mechanical Engineering [Online], 46.11-12 (2000): 750-761. Web.  21 Sep. 2021
TY  - JOUR
AU  - Sekavčnik, Miha 
PY  - 2000
TI  - An Analysis of Turbocharger Impeller Vibrations
JF  - Strojniški vestnik - Journal of Mechanical Engineering
DO  - 
KW  - turbocharger; impellers; vibration analysis; vibrations damping; 
N2  - he paper presents the results of experimental studies of natural vibrations of turbocharger blades. In order to excite the structure of a turbocharger impeller (composite blade-disc system), impulse disturbance and acoustic harmonic excitation were used. The response of the system was measured using accelerometers attached to the impeller blades. The logarithmic decrement method was used to determine the damping ratio. Measurements showed that the blades are most responsive (the largest amplitudes) to disturbances with bending natural vibrations, classified as the first mode. The damping ratia were estimated from the measured responses. It turned out that the damping ratio for the first free form is equal and constant for both excitation methods: d = 5E ­05. The damping ratia for other free forms of the oscillations were greater by one order of magnitude. The analysis of the dynamic characteristics of the blades’ natural vibrations with the first free form indicated possibilities for numerical modeling of damping mechanisms that would enable the simulation of operation at, or near, resonance frequency.
UR  - https://www.sv-jme.eu/sl/article/an-analysis-of-turbocharger-impeller-vibrations/
@article{{}{.},
	author = {Sekavčnik, M.},
	title = {An Analysis of Turbocharger Impeller Vibrations},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {46},
	number = {11-12},
	year = {2000},
	doi = {},
	url = {https://www.sv-jme.eu/sl/article/an-analysis-of-turbocharger-impeller-vibrations/}
}
TY  - JOUR
AU  - Sekavčnik, Miha 
PY  - 2017/07/07
TI  - An Analysis of Turbocharger Impeller Vibrations
JF  - Strojniški vestnik - Journal of Mechanical Engineering; Vol 46, No 11-12 (2000): Strojniški vestnik - Journal of Mechanical Engineering
DO  - 
KW  - turbocharger, impellers, vibration analysis, vibrations damping, 
N2  - he paper presents the results of experimental studies of natural vibrations of turbocharger blades. In order to excite the structure of a turbocharger impeller (composite blade-disc system), impulse disturbance and acoustic harmonic excitation were used. The response of the system was measured using accelerometers attached to the impeller blades. The logarithmic decrement method was used to determine the damping ratio. Measurements showed that the blades are most responsive (the largest amplitudes) to disturbances with bending natural vibrations, classified as the first mode. The damping ratia were estimated from the measured responses. It turned out that the damping ratio for the first free form is equal and constant for both excitation methods: d = 5E ­05. The damping ratia for other free forms of the oscillations were greater by one order of magnitude. The analysis of the dynamic characteristics of the blades’ natural vibrations with the first free form indicated possibilities for numerical modeling of damping mechanisms that would enable the simulation of operation at, or near, resonance frequency.
UR  - https://www.sv-jme.eu/sl/article/an-analysis-of-turbocharger-impeller-vibrations/
Sekavčnik, Miha"An Analysis of Turbocharger Impeller Vibrations" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 46 Number 11-12 (07 July 2017)

Avtorji

Inštitucije

  • University of Ljubljana, Faculty of Mechanical Engineering, Slovenia

Informacije o papirju

Strojniški vestnik - Journal of Mechanical Engineering 46(2000)11-12, 750-761

he paper presents the results of experimental studies of natural vibrations of turbocharger blades. In order to excite the structure of a turbocharger impeller (composite blade-disc system), impulse disturbance and acoustic harmonic excitation were used. The response of the system was measured using accelerometers attached to the impeller blades. The logarithmic decrement method was used to determine the damping ratio. Measurements showed that the blades are most responsive (the largest amplitudes) to disturbances with bending natural vibrations, classified as the first mode. The damping ratia were estimated from the measured responses. It turned out that the damping ratio for the first free form is equal and constant for both excitation methods: d = 5E ­05. The damping ratia for other free forms of the oscillations were greater by one order of magnitude. The analysis of the dynamic characteristics of the blades’ natural vibrations with the first free form indicated possibilities for numerical modeling of damping mechanisms that would enable the simulation of operation at, or near, resonance frequency.

turbocharger; impellers; vibration analysis; vibrations damping;